AOO410/main/sal/workben/clipboardwben/testcopy/cbcpytest.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/




// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sal.hxx"
// TestWin32.cpp : Definiert den Einsprungpunkt für die Anwendung.
//

#define _WIN32_DCOM
#undef _UNICODE

#include "stdafx.h"

#include <windows.h>

#include <ole2.h>
#include <objidl.h>
#include <objbase.h>
#include <process.h>
#include <olectl.h>
#include <stdlib.h>
#include <malloc.h>
#include <..\..\inc\systools\win32\MtaOleClipb.h>
#include "XTDataObject.hxx"

#include "resource.h"

#define MAX_LOADSTRING 100
#undef USE_MTACB

#define MSG_FLUSHCLIPBOARD WM_USER + 1

// Globale Variablen:
HINSTANCE			hInst;						// aktuelle Instanz
TCHAR				szTitle[MAX_LOADSTRING];			// Text der Titelzeile
TCHAR				szWindowClass[MAX_LOADSTRING];	// Text der Titelzeile
ATOM				MyRegisterClass( HINSTANCE hInstance );
BOOL				InitInstance( HINSTANCE, int );
LRESULT CALLBACK	WndProc( HWND, UINT, WPARAM, LPARAM );
LRESULT CALLBACK	About( HWND, UINT, WPARAM, LPARAM );
void				CopyClipboardData(HWND hwndParent);
void				FlushClipboard( );
void				PasteData( HWND hWnd );
void				SetLocale();


LPSTREAM			g_pStm    = NULL;
char*				pTextBuff = NULL;
DWORD				lData     = 0;
CXTDataObject*      g_xtDo    = NULL;
HWND				g_hWnd;
HANDLE				g_hEvent;
BOOL				g_bEnd;

//----------------------------------------------------
// a thread function
//----------------------------------------------------

unsigned int _stdcall ThreadProc(LPVOID pParam)
{	
	while( !g_bEnd )
	{
		WaitForSingleObject( g_hEvent, INFINITE );
		SendMessage( g_hWnd, MSG_FLUSHCLIPBOARD, WPARAM(0), LPARAM(0) );
	}

	return 0;
}

//----------------------------------------------------
// WinMain
//----------------------------------------------------

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow )
{
 	// ZU ERLEDIGEN: Fügen Sie hier den Code ein.
	MSG     msg;
	HACCEL  hAccelTable;
	HRESULT hr = E_FAIL;

	/*
	g_hEvent = CreateEvent( 0,
							FALSE,
							FALSE,
							NULL
						  );

	g_bEnd = FALSE;

	_beginthreadex( ThreadProc,
				    0,
					NULL,
					0,
					0,
					NULL );
	*/

	// it's important to initialize ole
	// in order to use the clipboard
#ifdef USE_MTACB
	hr = CoInitializeEx( NULL, COINIT_MULTITHREADED );
#else
	hr = OleInitialize( NULL );
#endif
	

	// Globale Zeichenfolgen initialisieren
	LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_TESTWIN32, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// Initialisierung der Anwendung durchführen:
	if( !InitInstance( hInstance, nCmdShow ) ) 
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_TESTWIN32);

	// Hauptnachrichtenschleife:
	while( GetMessage(&msg, NULL, 0, 0) ) 
	{
		if( !TranslateAccelerator (msg.hwnd, hAccelTable, &msg) ) 
		{
			TranslateMessage( &msg );
			DispatchMessage( &msg );
		}
	}

	// uninitializing the ole libraries
#ifdef USE_MTACB
	CoUninitialize( );
#else
	OleUninitialize( );
#endif	

	CloseHandle( g_hEvent );

	return msg.wParam;
}



//----------------------------------------------------------------
//  FUNKTION: MyRegisterClass()
//
//  AUFGABE: Registriert die Fensterklasse.
//
//  KOMMENTARE:
//
//    Diese Funktion und ihre Verwendung sind nur notwendig, wenn dieser Code
//    mit Win32-Systemen vor der 'RegisterClassEx'-Funktion kompatibel sein soll,
//    die zu Windows 95 hinzugefügt wurde. Es ist wichtig diese Funktion aufzurufen,
//    damit der Anwendung kleine Symbole mit den richtigen Proportionen zugewiesen
//    werden.
//----------------------------------------------------------------

ATOM MyRegisterClass( HINSTANCE hInstance )
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX); 

	wcex.style			= CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc	= (WNDPROC)WndProc;
	wcex.cbClsExtra		= 0;
	wcex.cbWndExtra		= 0;
	wcex.hInstance		= hInstance;
	wcex.hIcon			= LoadIcon(hInstance, (LPCTSTR)IDI_TESTWIN32);
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= (LPCTSTR)IDC_TESTWIN32;
	wcex.lpszClassName	= _T(szWindowClass);
	wcex.hIconSm		= LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);

	return RegisterClassEx(&wcex);
}

//----------------------------------------------------------------
//   FUNKTION: InitInstance(HANDLE, int)
//
//   AUFGABE: Speichert die Instanzzugriffsnummer und erstellt das Hauptfenster
//
//   KOMMENTARE:
//
//        In dieser Funktion wird die Instanzzugriffsnummer in einer globalen Variable
//        gespeichert und das Hauptprogrammfenster erstellt und angezeigt.
//----------------------------------------------------------------

BOOL InitInstance( HINSTANCE hInstance, int nCmdShow )
{
   hInst = hInstance; // Instanzzugriffsnummer in unserer globalen Variable speichern

   g_hWnd = CreateWindowEx(0, szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
      CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

   if( !g_hWnd ) 
   {
      return FALSE;
   }

   ShowWindow( g_hWnd, nCmdShow );
   UpdateWindow( g_hWnd );

   return TRUE;
}

//----------------------------------------------------------------
//  FUNKTION: WndProc(HWND, unsigned, WORD, LONG)
//
//  AUFGABE:  Verarbeitet Nachrichten für das Hauptfenster.
//
//  WM_COMMAND	- Anwendungsmenü verarbeiten
//  WM_PAINT	- Hauptfenster darstellen
//  WM_DESTROY	- Beendigungsnachricht ausgeben und zurückkehren
//----------------------------------------------------------------

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int         wmId;
	int         wmEvent;
	PAINTSTRUCT ps;
	HDC         hdc;
	TCHAR       szHello[MAX_LOADSTRING];
	
	
	LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);

	switch( message ) 
	{
		case WM_COMMAND:
			wmId    = LOWORD(wParam); 
			wmEvent = HIWORD(wParam); 
			// Menüauswahlen analysieren:
			switch( wmId ) 
			{
				case IDD_COPY:					
					CopyClipboardData(hWnd);
					break;
				case IDD_PASTE2:
					PasteData(hWnd);
					break;
				case IDD_LOCALE:
					SetLocale();
					break;
				case IDM_EXIT:
				   DestroyWindow( hWnd );
				   break;

				default:
				   return DefWindowProc( hWnd, message, wParam, lParam );
			}
			break;

		case WM_PAINT:
			hdc = BeginPaint (hWnd, &ps);
			// ZU ERLEDIGEN: Hier beliebigen Code zum Zeichnen hinzufügen...
			RECT rt;
			GetClientRect( hWnd, &rt );
			
			if ( NULL != pTextBuff )
			{
				DrawText( hdc, pTextBuff, lData, &rt, DT_CENTER );
			}
			else
			{
				DrawText( hdc, szHello, strlen(szHello), &rt, DT_CENTER );
			}

			EndPaint( hWnd, &ps );
			break;

		case WM_DESTROY:
			g_bEnd = TRUE;
			SetEvent( g_hEvent );
			FlushClipboard( );
			PostQuitMessage( 0 );
			break;

		default:
			return DefWindowProc( hWnd, message, wParam, lParam );
   }
   return 0;
}

//----------------------------------------------
// copy data into the clipboard
//----------------------------------------------

void CopyClipboardData( HWND hWnd )
{
	g_xtDo = new CXTDataObject( 1 );
#ifdef USE_MTACB
	MTASetClipboard( static_cast< IDataObject* >( g_xtDo ) );	
#else
	OleSetClipboard( static_cast< IDataObject* >( g_xtDo ) );
#endif
}

//----------------------------------------------
// flush the content into the clipboard
//----------------------------------------------

void FlushClipboard( )
{
	if ( NULL != g_xtDo )
	{
#ifdef USE_MTACB
		HRESULT hr = MTAIsCurrentClipboard( static_cast< IDataObject* >( g_xtDo ) ); 
		if ( S_OK == hr )
			MTAFlushClipboard( );
#else
		HRESULT hr = OleIsCurrentClipboard( static_cast< IDataObject* >( g_xtDo ) );
		if ( S_OK == hr )
			OleFlushClipboard( );
#endif

		static_cast< IDataObject* >( g_xtDo )->Release( );
	}
}


void PasteData(HWND hWnd)
{
	IDataObject* pDataObj;

	//FlushClipboard( );

	HRESULT hr = OleGetClipboard( &pDataObj );
	if ( SUCCEEDED( hr ) )
	{
		FORMATETC fetc;
		STGMEDIUM stgmedium;

		fetc.cfFormat = CF_LOCALE;
		fetc.ptd      = NULL;
		fetc.dwAspect = DVASPECT_CONTENT;
		fetc.lindex   = -1;
		fetc.tymed    = TYMED_HGLOBAL;

		hr = pDataObj->GetData( &fetc, &stgmedium );
		if ( SUCCEEDED( hr ) ) 
		{
			LPVOID lpData = GlobalLock( stgmedium.hGlobal );
			
			if ( NULL != lpData )
			{
				LCID lcid = *( (WORD*)lpData );
			
				WORD langID = LANGIDFROMLCID( lcid );
				WORD sublangID = SUBLANGID( langID );

				TCHAR buff[6];
				int cbWritten = GetLocaleInfo( lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof( buff ) );
				cbWritten     = GetLocaleInfo( lcid, LOCALE_IDEFAULTCODEPAGE, buff, sizeof( buff ) );

				GlobalUnlock( stgmedium.hGlobal );
			}
			else
			{
				DWORD dwLastError = GetLastError( );
			}

			ReleaseStgMedium( &stgmedium );
		}
	}
}


void SetLocale()
{
	LCID threadLcid = GetThreadLocale();			   
}